Last updated: 2019-11-29 17:10:01


1. API Description

Domain name for API request:

This API (AttachClassicLinkVpc) is used to create a classiclink.

  • The VPC and basic network devices must be in the same region.
  • For the differences between VPC and basic network, please see VPC and Basic Network in the VPC product documentation.

A maximum of 100 requests can be initiated per second for this API.

Note: This API supports Finance regions. Since Finance regions and non-Finance regions are isolated and not interconnected. If the common parameter Region is a Finance region (such as ap-shanghai-fsi), you need to specify a domain name containing the Finance region that should be identical to the value of Region field, for example:

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common parameter. Value used in this API: AttachClassicLinkVpc
Version Yes String Common parameter. The value used for this API: 2017-03-12
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
VpcId Yes String VPC instance ID
InstanceIds.N Yes Array of String CVM instance ID

3. Output Parameters

Parameter Name Type Description
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Error Codes

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
InvalidParameterValue.Malformed Invalid input parameter format.
LimitExceeded Quota exceeded.
ResourceNotFound Resource does not exist.
UnsupportedOperation Operation is not supported.
UnsupportedOperation.CIDRUnSupportedClassicLink The specified VPC CIDR range does not support the classiclink.
UnsupportedOperation.ClassicInstanceIdAlreadyExists The instance has been bound to the VPC.

5. Example

Input example
&<Common request parameters>

Output example

  "Response": {
    "RequestId": "354f4ac3-8546-4516-8c8a-69e3ab73aa8a"

6. Other Resources

Cloud API 3.0 comes with the following development tools to make it easier to call the API.